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package com.mmaingenieria.GestorFacturacion.servlets;

import java.io.IOException;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

/**
 *
 * @author Mikle
 */
public class GestionClientesServlet extends HttpServlet {

    private static final String paginaClientes = "includes/gestionClientes.jsp";
    private static final String paginaError = "includes/login.jsp";

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        doPost (request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        
        HttpSession sesion = request.getSession(true); //creamos una sessión para guardar el nombre y el rol
        
        if (sesion.getAttribute("rol") != null){ //si exite es que la sesion tadia está activa
            RequestDispatcher dispatcher = null; //Creo variable dispatcher
            dispatcher = request.getRequestDispatcher(paginaClientes);//Le digo a donde tiene que ir
            dispatcher.forward(request, response);//Le digo que vaya
        }
        else{ //sino es que en otra pestaña la han cerrado y por lo tanto tengo que volver al login
           RequestDispatcher dispatcher = null; //Creo variable dispatcher
            dispatcher = request.getRequestDispatcher(paginaError);//Le digo a donde tiene que ir
            dispatcher.forward(request, response);//Le digo que vaya 
        }
        
        
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
